Eye diseases often develop asymptomatically for many years ... It is here, in the layer of photoreceptors—cones and rods—that the process of vision begins. Light hitting the outer segments of these ...

This review will discuss the physiological, morphological and molecular adaptations associated with eye evolution in Amphibia ... used for an array of different amphibian rods (red- and ...

Languages: English. Little Harvey Haines has been given a new lease of life. Born with a rare eye condition severely affecting his sight, he struggled to communicate with children his own age ...

double cone stimulation and peak reflectance) as responses. This allowed us to separate the effects of the different modifications, which are combined in many melanosome types (e.g., hollow rods are ...

The diagram depicts the relationships ... result of the loss of the parietal eye. As far as their photoreceptor morphology is concerned, reptiles possess retinae that can vary from being all-cone to ...